package com.example.blogsystem.config;

import com.example.blogsystem.utils.JwtUtils;
import io.jsonwebtoken.Claims;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
@Slf4j
@Component
public class LoginInterceptor implements HandlerInterceptor{
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //验证token是否合法
        String userToken = request.getHeader("user_token");
        log.info("从header中获取信息，token："+userToken);
        Claims claims = JwtUtils.verify(userToken);
        if(claims == null) {
            response.setStatus(401);
            return false;
        }
        return true;
    }
}
